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周福宝
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Patents

Current position: Home  >  Scientific Research  >  Patents

一种提高瓦斯抽放泵运行效率的闭式循环系统(美国)

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School Sign:第一单位

Disigner of the Invention:Zhang Yifan,宋小林

Type of Patent:国内

State of Patent:专利授权

Application Number:US10613554(B2)

Service Invention or Not:no

Application Date:2017-12-04

Authorization Date:2020-04-07

First Author:周福宝